Ductwork Company Employing Duct Fitters, Improvers and Fitter mates ( weekly pay! ) working supervisor £230 ( Gold card, SSSTS, First aid ) Fitters £200-£220 per 8 hour shift Improvers £150-£180 per 8 hour shift daily hours 7:30am-4pm Bonus scheme! £100 per week if you do a full week as a Fitter ( Blue card ) £60 per week if you do a full week as a Fitters Mate ( Green card ) £80 per week if you do a full weekas a Improver ( Blue card starters ) Price work also an option.